Product Overview: Texas Instruments UCC3813D-4

The UCC3813D-4 is a high-performance, low-power BiCMOS pulse width modulation (PWM) controller from Texas Instruments designed for a wide range of power supply applications. This device is part of the UCC3813x family of PWM controllers that offer various features tailored to improve the performance and efficiency of power conversion systems.

Key Features

• Operating Range: The UCC3813D-4 operates with a supply voltage range from 8.5V to 15V, making it versatile for various applications.
• Frequency: It features a fixed frequency operation at 100kHz, which provides a good balance between efficiency and component size.
• Drive Capability: The device is capable of delivering 1A peak output current, suitable for driving a power MOSFET or IGBT directly.
• Energy-Efficient: With a low startup current of less than 0.5mA and an operating current of less than 3mA, the UCC3813D-4 is optimized for low-power consumption.
• Protection Features: It includes a range of protection features such as undervoltage lockout (UVLO), overcurrent protection, and a programmable soft start function to enhance the reliability of the power supply.

Applications

Designed for flexibility, the UCC3813D-4 is suitable for a variety of applications including:

• Offline and DC-to-DC power supplies
• Telecommunication equipment
• Industrial power systems
• AC-DC adapters and chargers
• LED drivers

Package and Quality

The UCC3813D-4 is available in a 14-pin SOIC package, which is compact and suitable for space-constrained applications. Texas Instruments ensures high standards of quality and reliability, making this PWM controller a dependable choice for critical power management tasks.

For detailed specifications, application notes, and support resources, customers can visit the Texas Instruments website or contact their local sales representative.